<!DOCTYPE HTML>
<meta charset=utf-8>
<title>Long Animation Frame Timing: pause</title>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/utils.js"></script>

<body>
<h1>Long Animation Frame: pause</h1>
<div id="log"></div>
<script>

promise_test(async t => {
  const pause_duration = very_long_frame_duration / 2;
  [entry, script] = await expect_long_frame_with_script(() => t.step_timeout(() => {
    busy_wait(pause_duration);
    const sync_xhr = new XMLHttpRequest();
    sync_xhr.open("GET", `/xhr/resources/delay.py?ms=${pause_duration}`, /*async=*/false);
    sync_xhr.send();
  }, 0), script => (
        script.invoker === "TimerHandler:setTimeout" &&
        script.duration >= very_long_frame_duration), t);
  assert_true("pauseDuration" in script);
  assert_greater_than(script.pauseDuration, pause_duration);
}, "Synchronous XHR should be counted as pauseDuration");

// TODO: Test for alert/confirm, requires WPT infra changes.
</script>
</body>
